Question

Derive an expression of a bar magnet as an equivalent solenoid?​

Answer 1

Answer:

• Derivation of Bar Magnet as an Equivalent Solenoid
• By calculating the axial field of a finite solenoid carrying current, bar magnet can be demonstrated as a solenoid. ... Considering a small element of thickness dx of the solenoid at distance x from O such that OP = r.

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Answer 2

Answer:

Explanation:

Derivation of Bar Magnet as an Equivalent Solenoid

Considering a small element of thickness dx of the solenoid at distance x from O such that OP = r. From the above expression, it is understood that the magnetic moment of a bar magnet is equal to the magnetic moment of a solenoid.